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Full bubble lining for consistent cushioning
For use in the office
Mini Marble Composition Book
The ink won't smear or bleed through paper
Helix Engineers Scale Ruler Mugs Full bubble lining for consistentK85X10 K85010 This Helix ruler is a stylish scale ruler suitable for architects. The Helix Engineers technical scale ruler has markings of 1: 1, 1: 10, 1: 2, 1: 20, 1: 5, 1: 50, 1: 25, and 1: 250. Scale rulers are used by architects and engineers to calculate dimension in a blue print or building plan without the use of time consuming and complicated math equations. The ruler would be ideal for use in the office or at home.
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